.res-imgs {
    display: flex;
    justify-content: space-around;
    div {
        height: 100px;
        width: 30%;
        img {height: 100%; width: 100%;}
    }
}
.res-files {
    display: flex;
    justify-content: space-around;
    a {
        display: inline-block;
        height: 20px;
        font-size: 14px;
    }
}
.mask {
    position: fixed;
    z-index: 99;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.9);
    img {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
        width: 100%;
    }
}